Critical Factors Analysis of Severe Traffic Accidents Based on Bayesian Network in China

Table 7

The conditional probability of the number of injuries for the single-vehicle traffic accident.

Factor variables		Result variables
		Number of deaths			Number of injuries
		10  number of deaths 19	20  number of deaths 29	Number of deaths 30	10  number of deaths 19	20  number of deaths 29	Number of deaths 30
Overload	Yes	0.3442	0.3057	0.3502	0.1787	0.6425	0.1787
	No	0.3541	0.2998	0.3461	0.5439	0.3033	0.1529
Mislane use	Yes	0.2687	0.4753	0.2560	0.5926	0.1659	0.2415
	No	0.3321	0.4179	0.2500	0.5769	0.1680	0.2551
Commuter bus involved	Yes	0.3493	0.3029	0.3478	0.6114	0.1634	0.2252
	No	0.3581	0.2980	0.3439	0.6118	0.1633	0.2249
Heavy truck involved	Yes	0.3630	0.2944	0.3425	0.5859	0.1668	0.2473
	No	0.2914	0.3287	0.3799	0.5788	0.1677	0.2535
Poor braking	Yes	0.3581	0.2977	0.3443	0.5825	0.1672	0.2502
	No	0.3534	0.3000	0.3466	0.5769	0.1680	0.2551
Straight alignment	day	0.4052	0.4509	0.1439	0.5775	0.1679	0.2546
	Night	0.3656	0.6266	0.0078	0.5787	0.1676	0.2525
Physical separation	Yes	0.3641	0.2931	0.3427	0.5799	0.1683	0.2571
	No	0.3602	0.2954	0.3444	0.5746	0.7225	0.0521
Occurring period	day	0.3646	0.2931	0.3424	0.5845	0.1670	0.2485
	Night	0.3608	0.2951	0.3441	0.5726	0.1686	0.2588
Workday	Yes	0.3991	0.3481	0.2528	0.5805	0.1675	0.2520
	No	0.2614	0.6209	0.1177	0.5784	0.1678	0.2538
Poor weather	Yes	0.3678	0.2917	0.3405	0.5945	0.1656	0.2399
	No	0.3637	0.2945	0.3418	0.5981	0.1652	0.2368